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Fix documentation typo.

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This is really insignificant, but it might as well be fixed.

R=golang-dev, brainman
CC=golang-dev
https://golang.org/cl/3832045
This commit is contained in:
Anschel Schaffer-Cohen 2010-12-31 10:37:55 +11:00 committed by Alex Brainman
parent 834fda37c5
commit 84fc1e20f1
1 changed files with 3 additions and 3 deletions
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6
src/pkg/io/io.go
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@ -203,7 +203,7 @@ func ReadFull(r Reader, buf []byte) (n int, err os.Error) {
// If dst implements the ReaderFrom interface,
// the copy is implemented by calling dst.ReadFrom(src).
func Copyn(dst Writer, src Reader, n int64) (written int64, err os.Error) {
// If the writer has a ReadFrom method, use it to to do the copy.
// If the writer has a ReadFrom method, use it to do the copy.
// Avoids a buffer allocation and a copy.
if rt, ok := dst.(ReaderFrom); ok {
return rt.ReadFrom(LimitReader(src, n))
@ -246,12 +246,12 @@ func Copyn(dst Writer, src Reader, n int64) (written int64, err os.Error) {
// Otherwise, if src implements the WriterTo interface,
// the copy is implemented by calling src.WriteTo(dst).
func Copy(dst Writer, src Reader) (written int64, err os.Error) {
// If the writer has a ReadFrom method, use it to to do the copy.
// If the writer has a ReadFrom method, use it to do the copy.
// Avoids an allocation and a copy.
if rt, ok := dst.(ReaderFrom); ok {
return rt.ReadFrom(src)
}
// Similarly, if the reader has a WriteTo method, use it to to do the copy.
// Similarly, if the reader has a WriteTo method, use it to do the copy.
if wt, ok := src.(WriterTo); ok {
return wt.WriteTo(dst)
}